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Finding the Fourth Proportional to 19,845.66, 29,768.49 and 5,994.66

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Solution

The fourth proportional to 19,845.66, 29,768.49 and 5,994.66 is: 8,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.66 : 29,768.49 = 5,994.66 : x
  2. Step 2: Convert to fraction form
    19,845.66/29,768.49 = 5,994.66/x
  3. Step 3: Cross multiply
    19,845.66x = 29,768.49 × 5,994.66
  4. Step 4: Simplify right side
    19,845.66x = 178,451,946.29
  5. Step 5: Solve for x
    x = 178,451,946.29/19,845.66
  6. Step 6: Final answer
    x = 8,991.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.